128663280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2153}}^1$

素因数の和:2255

約数の個数: 120

約数和(自身を含む): 437503248

約数和(自身を除く): 308839968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 180, 240, 249, 332, 360, 415, 498, 664, 720, 747, 830, 996, 1245, 1328, 1494, 1660, 1992, 2153, 2490, 2988, 3320, 3735, 3984, 4306, 4980, 5976, 6459, 6640, 7470, 8612, 9960, 10765, 11952, 12918, 14940, 17224, 19377, 19920, 21530, 25836, 29880, 32295, 34448, 38754, 43060, 51672, 59760, 64590, 77508, 86120, 96885, 103344, 129180, 155016, 172240, 178699, 193770, 258360, 310032, 357398, 387540, 516720, 536097, 714796, 775080, 893495, 1072194, 1429592, 1550160, 1608291, 1786990, 2144388, 2680485, 2859184, 3216582, 3573980, 4288776, 5360970, 6433164, 7147960, 8041455, 8577552, 10721940, 12866328, 14295920, 16082910, 21443880, 25732656, 32165820, 42887760, 64331640, 128663280]

約数ペア:

[(1, 128663280), (2, 64331640), (3, 42887760), (4, 32165820), (5, 25732656), (6, 21443880), (8, 16082910), (9, 14295920), (10, 12866328), (12, 10721940), (15, 8577552), (16, 8041455), (18, 7147960), (20, 6433164), (24, 5360970), (30, 4288776), (36, 3573980), (40, 3216582), (45, 2859184), (48, 2680485), (60, 2144388), (72, 1786990), (80, 1608291), (83, 1550160), (90, 1429592), (120, 1072194), (144, 893495), (166, 775080), (180, 714796), (240, 536097), (249, 516720), (332, 387540), (360, 357398), (415, 310032), (498, 258360), (664, 193770), (720, 178699), (747, 172240), (830, 155016), (996, 129180), (1245, 103344), (1328, 96885), (1494, 86120), (1660, 77508), (1992, 64590), (2153, 59760), (2490, 51672), (2988, 43060), (3320, 38754), (3735, 34448), (3984, 32295), (4306, 29880), (4980, 25836), (5976, 21530), (6459, 19920), (6640, 19377), (7470, 17224), (8612, 14940), (9960, 12918), (10765, 11952)]